A belt tensioning assembly for an engine system having a motor-generator unit

A system for maintaining tension in a drive belt comprises a first belt tensioner that comprises a first pulley mounted on a first lever arm, and a second belt tensioner that comprises a second pulley mounted on a second lever arm. The first belt tensioner is configured and positioned to bias the fi...

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Bibliographische Detailangaben
Hauptverfasser:	DENESZCZUK WILLIAM C, STALEY ERIC D, MC VICAR PAUL J
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A system for maintaining tension in a drive belt comprises a first belt tensioner that comprises a first pulley mounted on a first lever arm, and a second belt tensioner that comprises a second pulley mounted on a second lever arm. The first belt tensioner is configured and positioned to bias the first pulley against the drive belt at a first location following a departure of the drive belt from a pulley coupled to a motor-generator unit and to thereby maintain tension on the drive belt during both driving and driven modes of the motor-generator unit. The second belt tensioner is configured and positioned to bias the second pulley against the drive belt at a second location prior to an approach of the drive belt toward the pulley and to thereby maintain tension on the drive belt at the second location during both driving and driven modes.